1028781000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 320

約数和(自身を含む): 3876752880

約数和(自身を除く): 2847971880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 104, 108, 117, 120, 125, 130, 135, 150, 156, 162, 180, 195, 200, 216, 225, 234, 250, 260, 270, 300, 312, 324, 325, 351, 360, 375, 390, 405, 450, 468, 500, 520, 540, 585, 600, 648, 650, 675, 702, 750, 780, 810, 900, 936, 975, 977, 1000, 1053, 1080, 1125, 1170, 1300, 1350, 1404, 1500, 1560, 1620, 1625, 1755, 1800, 1950, 1954, 2025, 2106, 2250, 2340, 2600, 2700, 2808, 2925, 2931, 3000, 3240, 3250, 3375, 3510, 3900, 3908, 4050, 4212, 4500, 4680, 4875, 4885, 5265, 5400, 5850, 5862, 6500, 6750, 7020, 7800, 7816, 8100, 8424, 8775, 8793, 9000, 9750, 9770, 10125, 10530, 11700, 11724, 12701, 13000, 13500, 14040, 14625, 14655, 16200, 17550, 17586, 19500, 19540, 20250, 21060, 23400, 23448, 24425, 25402, 26325, 26379, 27000, 29250, 29310, 35100, 35172, 38103, 39000, 39080, 40500, 42120, 43875, 43965, 48850, 50804, 52650, 52758, 58500, 58620, 63505, 70200, 70344, 73275, 76206, 79137, 81000, 87750, 87930, 97700, 101608, 105300, 105516, 114309, 117000, 117240, 122125, 127010, 131625, 131895, 146550, 152412, 158274, 175500, 175860, 190515, 195400, 210600, 211032, 219825, 228618, 244250, 254020, 263250, 263790, 293100, 304824, 316548, 317525, 342927, 351000, 351720, 366375, 381030, 395685, 439650, 457236, 488500, 508040, 526500, 527580, 571545, 586200, 633096, 635050, 659475, 685854, 732750, 762060, 791370, 879300, 914472, 952575, 977000, 1028781, 1053000, 1055160, 1099125, 1143090, 1270100, 1318950, 1371708, 1465500, 1524120, 1582740, 1587625, 1714635, 1758600, 1905150, 1978425, 2057562, 2198250, 2286180, 2540200, 2637900, 2743416, 2857725, 2931000, 3165480, 3175250, 3297375, 3429270, 3810300, 3956850, 4115124, 4396500, 4572360, 4762875, 5143905, 5275800, 5715450, 6350500, 6594750, 6858540, 7620600, 7913700, 8230248, 8573175, 8793000, 9525750, 9892125, 10287810, 11430900, 12701000, 13189500, 13717080, 14288625, 15827400, 17146350, 19051500, 19784250, 20575620, 22861800, 25719525, 26379000, 28577250, 34292700, 38103000, 39568500, 41151240, 42865875, 51439050, 57154500, 68585400, 79137000, 85731750, 102878100, 114309000, 128597625, 171463500, 205756200, 257195250, 342927000, 514390500, 1028781000]

約数ペア:

[(1, 1028781000), (2, 514390500), (3, 342927000), (4, 257195250), (5, 205756200), (6, 171463500), (8, 128597625), (9, 114309000), (10, 102878100), (12, 85731750), (13, 79137000), (15, 68585400), (18, 57154500), (20, 51439050), (24, 42865875), (25, 41151240), (26, 39568500), (27, 38103000), (30, 34292700), (36, 28577250), (39, 26379000), (40, 25719525), (45, 22861800), (50, 20575620), (52, 19784250), (54, 19051500), (60, 17146350), (65, 15827400), (72, 14288625), (75, 13717080), (78, 13189500), (81, 12701000), (90, 11430900), (100, 10287810), (104, 9892125), (108, 9525750), (117, 8793000), (120, 8573175), (125, 8230248), (130, 7913700), (135, 7620600), (150, 6858540), (156, 6594750), (162, 6350500), (180, 5715450), (195, 5275800), (200, 5143905), (216, 4762875), (225, 4572360), (234, 4396500), (250, 4115124), (260, 3956850), (270, 3810300), (300, 3429270), (312, 3297375), (324, 3175250), (325, 3165480), (351, 2931000), (360, 2857725), (375, 2743416), (390, 2637900), (405, 2540200), (450, 2286180), (468, 2198250), (500, 2057562), (520, 1978425), (540, 1905150), (585, 1758600), (600, 1714635), (648, 1587625), (650, 1582740), (675, 1524120), (702, 1465500), (750, 1371708), (780, 1318950), (810, 1270100), (900, 1143090), (936, 1099125), (975, 1055160), (977, 1053000), (1000, 1028781), (1053, 977000), (1080, 952575), (1125, 914472), (1170, 879300), (1300, 791370), (1350, 762060), (1404, 732750), (1500, 685854), (1560, 659475), (1620, 635050), (1625, 633096), (1755, 586200), (1800, 571545), (1950, 527580), (1954, 526500), (2025, 508040), (2106, 488500), (2250, 457236), (2340, 439650), (2600, 395685), (2700, 381030), (2808, 366375), (2925, 351720), (2931, 351000), (3000, 342927), (3240, 317525), (3250, 316548), (3375, 304824), (3510, 293100), (3900, 263790), (3908, 263250), (4050, 254020), (4212, 244250), (4500, 228618), (4680, 219825), (4875, 211032), (4885, 210600), (5265, 195400), (5400, 190515), (5850, 175860), (5862, 175500), (6500, 158274), (6750, 152412), (7020, 146550), (7800, 131895), (7816, 131625), (8100, 127010), (8424, 122125), (8775, 117240), (8793, 117000), (9000, 114309), (9750, 105516), (9770, 105300), (10125, 101608), (10530, 97700), (11700, 87930), (11724, 87750), (12701, 81000), (13000, 79137), (13500, 76206), (14040, 73275), (14625, 70344), (14655, 70200), (16200, 63505), (17550, 58620), (17586, 58500), (19500, 52758), (19540, 52650), (20250, 50804), (21060, 48850), (23400, 43965), (23448, 43875), (24425, 42120), (25402, 40500), (26325, 39080), (26379, 39000), (27000, 38103), (29250, 35172), (29310, 35100)]